SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000950123-11-014748
Form type: SC 13G
Filer: GEORGE KAISER FAMILY FOUNDATION
CIK: CIK 1265376
Filed: Feb 16, 2011
Reporting period: Feb 16, 2010
Description: Passive 5%+ stake

Documents

0000950123-11-014748-index.htm

Complete submission

0000950123-11-014748.txt

directory listing

Filed by

GEORGE KAISER FAMILY FOUNDATION